/*
 * Copyright (C) 2013 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.squareup.picasso;

import android.content.ContentResolver;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import java.io.IOException;
import java.io.InputStream;

import static com.squareup.picasso.Picasso.LoadedFrom.DISK;

class ContentStreamBitmapHunter extends BitmapHunter {
	final Context context;

	@SuppressWarnings("rawtypes")
	ContentStreamBitmapHunter(Context context, Picasso picasso,
			Dispatcher dispatcher, Cache cache, Stats stats, Action action) {
		super(picasso, dispatcher, cache, stats, action);
		this.context = context;
	}

	@Override
	Bitmap decode(Request data) throws IOException {
		return decodeContentStream(data);
	}

	@Override
	Picasso.LoadedFrom getLoadedFrom() {
		return DISK;
	}

	protected Bitmap decodeContentStream(Request data) throws IOException {
		ContentResolver contentResolver = context.getContentResolver();
		final BitmapFactory.Options options = createBitmapOptions(data);
		if (requiresInSampleSize(options)) {
			InputStream is = null;
			try {
				is = contentResolver.openInputStream(data.uri);
				BitmapFactory.decodeStream(is, null, options);
			} finally {
				Utils.closeQuietly(is);
			}
			calculateInSampleSize(data.targetWidth, data.targetHeight, options);
		}
		InputStream is = contentResolver.openInputStream(data.uri);
		try {
			return BitmapFactory.decodeStream(is, null, options);
		} finally {
			Utils.closeQuietly(is);
		}
	}
}
